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Finding the Fourth Proportional to 796.73, 1,097.98 and 575.28

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Solution

The fourth proportional to 796.73, 1,097.98 and 575.28 is: 792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    796.73 : 1,097.98 = 575.28 : x
  2. Step 2: Convert to fraction form
    796.73/1,097.98 = 575.28/x
  3. Step 3: Cross multiply
    796.73x = 1,097.98 × 575.28
  4. Step 4: Simplify right side
    796.73x = 631,645.93
  5. Step 5: Solve for x
    x = 631,645.93/796.73
  6. Step 6: Final answer
    x = 792.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.